A. Outlet flow rate
B. Level
C. Both A. & B.
D. Neither A. nor B.
Related Mcqs:
- Water is entering a storage tank at a temperature T0 and flow rate Q0 and leaving at a flow rate Q and temperature T. There are negligible heat losses in the tank. The area of cross-section of the tank is A0. The model that describes the dynamic variation of temperature of water in the tank with time is given as________________?
A. Q0(T0 – T) = Ac . h (dT/dt)
B. Q0T0 – QT = Ac . h (dT/dt)
C. Q(T0 – T) = Ac . h (dT/dt)
D. Q(T0 – T) = Ac . (dTH/dt) - In a single tank system, the transfer function of level to inlet flow rate is__________________?
A. R/TS
B. R/(TS + 1)
C. 1/TS
D. None of these - In a closed loop system, the process to be controlled is an integrating process with transfer function 1/2s. The controller proposed to be used in an integral controller with transfer function 1/T1s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit__________________?
A. Overdamped response
B. Underdamped response
C. Undamped response
D. Unstable response - For two non-interacting first order systems connected in series, the overall transfer function is the ______________ of the individual transfer functions?
A. Product
B. Ratio
C. Sum
D. Difference - Water is flowing through a series of four tanks and getting heated as shown in figure. It is desired to design a cascade control scheme for controlling the temperature of water leaving the tank 4 as there is a disturbance in the temperature of a second stream entering the tank 2. Select the best place to take the secondary measurement for the second loop?
A. Tank 1
B. Tank 2
C. Tank 3
D. Tank 4 - The term analogous to voltage in a single tank system is the_______________?
A. Heat content of the system
B. Liquid volume in the tank
C. Flow rate
D. Level of liquid - A system with transfer function [(2S/4S) + 1] is of _____________ order?
A. Zero
B. 1st
C. 2nd
D. 3rd - The unit step response of the transfer function (2s – 1)/[(3s + 1) (4s + 1)] reaches its final steady state asymptotically after _____________?
A. A monotonic increase
B. A monotonic decrease
C. Initially increasing and then decreasing
D. Increasing decreasing and then increasing - Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a ________________?
A. Magnetic flowmeter
B. Pitot tube
C. Flow nozzle type flowmeter
D. Turbine flowmeter - Which of the following fluid flow measuring devices can measure the largest flow rate ?
A. V-notch
B. Rotameter
C. Orificemeter
D. Weir
